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Finding the Fourth Proportional to 371,393.52, 512,529 and 201,627.50

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Solution

The fourth proportional to 371,393.52, 512,529 and 201,627.50 is: 278,249.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,393.52 : 512,529 = 201,627.50 : x
  2. Step 2: Convert to fraction form
    371,393.52/512,529 = 201,627.50/x
  3. Step 3: Cross multiply
    371,393.52x = 512,529 × 201,627.50
  4. Step 4: Simplify right side
    371,393.52x = 103,339,940,947.50
  5. Step 5: Solve for x
    x = 103,339,940,947.50/371,393.52
  6. Step 6: Final answer
    x = 278,249.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.